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<?php $a = [1,2,3,4]; $m = []; $b = array_walk($a,function($c){ static $m; global $m; $m = array_push($c,$m); });
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, int given in /in/16IL6:7 Stack trace: #0 /in/16IL6(7): array_push(1, Array) #1 [internal function]: {closure}(1, 0) #2 /in/16IL6(4): array_walk(Array, Object(Closure)) #3 {main} thrown in /in/16IL6 on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, int given in /in/16IL6:7 Stack trace: #0 /in/16IL6(7): array_push(1, Array) #1 [internal function]: {closure}(1, 0) #2 /in/16IL6(8): array_walk(Array, Object(Closure)) #3 {main} thrown in /in/16IL6 on line 7
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_push() expects parameter 1 to be array, int given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, int given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, int given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, int given in /in/16IL6 on line 7
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_push() expects parameter 1 to be array, integer given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, integer given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, integer given in /in/16IL6 on line 7 Warning: array_push() expects parameter 1 to be array, integer given in /in/16IL6 on line 7
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/16IL6 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/16IL6 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/16IL6 on line 2
Process exited with code 255.
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